Comparison

US Muscle vs Internal Combustion Engine ICE

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

US Muscle

Features
Read full description

US Muscle connects you to people who share a passion for American USA cars! Thousands of members are online now, sharing their expert opinions on all brands including General Motors & FORD. US Muscle is different from traditional social media--the people you meet will be as excited by petrol and superchargers as you. * Follow topics and share with like-minded people * Post ideas/pics/videos & get feedback from fellow experts * Meet + chat with other members just like you Join today to see what others are saying about American Muscle! Your email address is required for the sole purpose of completing an App Login or Forgotten Password request. We will never send you unsolicited โ€˜junkโ€™ email, or share this information with any outside parties. We are committed to protecting your privacy!

About

Internal Combustion Engine ICE

Features
Read full description

Internal Combustion Engine ICE is a practical reference app for learning engine parts, systems, and automotive technology. Browse organized topics, search article titles or full article text, save favorites, and follow guided learning paths built from the included reference articles. Article text is bundled for offline reading, and optional image packs can be downloaded per language when you want richer offline media. The app is useful for automotive students, mechanics, engineering learners, and anyone who wants a compact engine reference on iPhone or iPad. Features: - Offline article library - Topic browser with alphabetical sections - Title and full-text search - Favorites and recent articles - Guided learning paths - Adjustable article text size - Light, dark, and system theme support - Optional per-language image downloads - Remove Ads purchase and restore Article content is based on Wikipedia and Wikimedia sources. Source links and license notes are available inside the app.

Screenshots

US Muscle4 screens
Internal Combustion Engine ICE4 screens

Verdict

The call

The clearest difference is in-app purchases: US Muscle at none against Internal Combustion Engine ICE's 1. US Muscle also leads on ads (none vs shown) and iOS requirement (9.0 vs 13.0). Internal Combustion Engine ICE's advantage is update cadence (every 2 months vs every 5 months). On price and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Internal Combustion Engine ICE sells 1 one-off in-app purchase. US Muscle asks for nothing beyond the download.

UpkeepUpdate frequency

US Muscle ships an update every 5 months, Internal Combustion Engine ICE every 2 months. The most recent releases landed on September 17, 2026 and September 16, 2026 respectively.

Scorecard4 real differences ยท 2 level
US Muscle versus Internal Combustion Engine ICE: the parameters behind the verdict, then further details
ParameterUS MuscleInternal Combustion Engine ICE
PriceFreeFree
Update frequencyEvery 5 monthsEvery 2 months โ€” better
AdsNo โ€” betterYes
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 โ€” better13.0
Further details โ€” not scored
Size186 MB29 MB
Age rating4+4+
DeveloperTotal Web Systems LimitedSylviory Dubuisson

In-app purchases

None

US Muscle

No in-app purchases

1 purchases

Internal Combustion Engine ICE

One-time1
  • Remove Ads$1.99

Questions

Is US Muscle free?
US Muscle is free to download, with no in-app purchases.
Is Internal Combustion Engine ICE free?
Internal Combustion Engine ICE is free to download, with in-app purchases available.
Do US Muscle or Internal Combustion Engine ICE have ads?
Internal Combustion Engine ICE shows ads; US Muscle does not.
Which is updated more often, US Muscle or Internal Combustion Engine ICE?
US Muscle ships an update every 5 months, and Internal Combustion Engine ICE every 2 months. Most recently, US Muscle was updated on September 17, 2026 and Internal Combustion Engine ICE on September 16, 2026.

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